Skin marker



FIG. 1 is a top plan view of a skin marker and showing the design;

FIG. 2 is a bottom plan view of the skin marker of FIG. 1, the bottomsurfaces of which form no part of the claimed design;

FIG. 3 is a front elevational view of the skin marker of FIG. 1, therear elevational view being identical to the front elevational view;and,

FIG. 4 is a right side elevational view of the skin marker of FIG. 1,the left side elevational view being identical to the right sideelevational view.

In the drawings, the broken lines are included to illustrate portions ofthe skin marker that form no part of the claimed design. The brokenlines form no part of the claimed design.

CLAIM The ornamental design for a skin marker, as shown and described. 